A daily updated filename extension database!

LM3 file extension

The table below provides useful information about the .lm3 file extension. It answers questions such as:

  • What is the .lm3 file?
  • What program do I need to open a .lm3 file?
  • How can the .lm3 file be opened, edited or printed?
  • How can I convert .lm3 files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Bosphorus 3D Landmarking Database

LM3 file is a Bosphorus 3D Landmarking Database. The Bosphorus 3D Database is intended for research on 3D and 2D human face processing tasks including expression recognition, facial action unit detection, facial action unit intensity estimation, face recognition under adverse conditions, deformable face modeling, and 3D face reconstruction.
LM3 format description not yet available
Category: Data files
Application: Bosphorus
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
LM3 aliases:
LM3 related links:
LM3 related extensions:

Other types of files may also use the .lm3 file extension.

🚫 The .lm3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

km3, l3, ll3, lm, lme, lmr, ln3, m3, ml3, mm3, om3, pm3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ARPA-MIT Language Model File
Mortgage Minder v3 Data File
Kernel MetaMetaModel File
HALCON Object Model 3D Data
DVILN03 Output File
L3 Media File
Crouzet Millenium 3 Program
Modula-3 Source Code
LapLink 3 Data
Juki AMS Embroidery Data

🔴 Can't open a .lm3 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .lm3 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .lm3 file extension, write to us!

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